Article(id=1222963549899575342, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1222963536863678929, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20212801, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1640016000000, receivedDateStr=2021-12-21, revisedDate=1658073600000, revisedDateStr=2022-07-18, acceptedDate=null, acceptedDateStr=null, onlineDate=1769506831860, onlineDateStr=2026-01-27, pubDate=1682352000000, pubDateStr=2023-04-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769506831860, onlineIssueDateStr=2026-01-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769506831860, creator=13701087609, updateTime=1769506831860, updator=13701087609, issue=Issue{id=1222963536863678929, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='4', pageStart='1', pageEnd='220', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769506828752, creator=13701087609, updateTime=1769508076664, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1222968771057279321, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1222963536863678929, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1222968771057279322, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1222963536863678929, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=139, endPage=142, ext={EN=ArticleExt(id=1222963551187226751, articleId=1222963549899575342, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Pressure Distribution Characteristics of Diversion Tunnel of Yebatan Hydropower Station, columnId=1222925283779400191, journalTitle=Water Resources and Power, columnName=WATER CONSERVANCY AND HYDROPOWER ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

As a diversion tunnel, the pressure distribution of the tunnel body, the top and the bottom of the tunnel is very important to avoid cavitation, vibration and other undesirable phenomena. Taking the diversion tunnel of Yebatan Hydropower Station as the research object, this paper simulated the pressure distribution of the diversion tunnel based on the physical model test, as well as the three-dimensional numerical model established by the RNG k-ε turbulence model and the VOF method. The reliability of the three-dimensional numerical simulation was verified by the experimental data. The results show that the main flow of the diversion tunnel, the pressure distribution of the tunnel body at the sudden change of hydraulic boundary such as the inlet chamber section, the turning section and the plug section, as well as the variation trend of the bottom and top pressure along the way were analyzed. The research results show that the pressure distribution along the bottom and top of the diversion tunnel shows a downward trend, but at the sudden change of hydraulic boundary such as the sluice chamber section, the plug section and the turning section, the pressure value will show a large fluctuation of rapid increase or decrease.

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导流隧洞作为泄水建筑物,洞身、洞顶和底板的压力分布对于避免空蚀空化、振动等不良现象至关重要。以叶巴滩水电站导流隧洞为例,基于物理模型试验、RNG k-ω紊流模型、VOF法建立的三维数值模型模拟了导流隧洞压力分布,通过泄流能力、底板沿程压力等试验数据验证了数值模型的可靠性。结果表明,导流隧洞底板和顶部沿程压力分布均呈下降趋势,但在闸室段、堵头段等水力边界突变处,压力值发生了波动;在转弯段,水流受离心力影响显著,主流区位置和水流压力存在偏离轴线,靠近外边墙的趋势。

, correspAuthors=null, authorNote=null, correspAuthorsNote=
李登松(1988-),男,博士、讲师,研究方向为灾害水力学、计算流体力学,E-mail:
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周顺文(1986-),男,硕士、高级工程师,研究方向为水利水电工程,E-mail:

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周顺文(1986-),男,硕士、高级工程师,研究方向为水利水电工程,E-mail:

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周顺文(1986-),男,硕士、高级工程师,研究方向为水利水电工程,E-mail:

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叶巴滩水电站导流洞水压力分布研究
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周顺文 1 , 蒲云娟 1 , 李登松 2 , 杨柯琛 3
水电能源科学 | 水利水电工程 2023,41(4): 139-142
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水电能源科学 | 水利水电工程 2023, 41(4): 139-142
叶巴滩水电站导流洞水压力分布研究
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周顺文1 , 蒲云娟1, 李登松2 , 杨柯琛3
作者信息
  • 1.中国电建集团成都勘测设计研究院有限公司,四川 成都 610072
  • 2.成都信息工程大学自动化学院,四川 成都 610225
  • 3.四川农业大学水利水电学院,四川 雅安 625014
  • 周顺文(1986-),男,硕士、高级工程师,研究方向为水利水电工程,E-mail:

通讯作者:

李登松(1988-),男,博士、讲师,研究方向为灾害水力学、计算流体力学,E-mail:
Pressure Distribution Characteristics of Diversion Tunnel of Yebatan Hydropower Station
Shun-wen ZHOU1 , Yun-juan PU1, Deng-song LI2 , Ke-chen YANG3
Affiliations
  • 1.POWERCHINA Chengdu Engineering Corporation Limited, Chengdu 610072, China
  • 2.School of Automation, Chengdu University of Information Technology, Chengdu 610225, China
  • 3.College of Water Conservancy and Hydropower Engineering, Sichuan Agricultural University, Ya'an 625014, China
出版时间: 2023-04-25 doi: 10.20040/j.cnki.1000-7709.2023.20212801
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导流隧洞作为泄水建筑物,洞身、洞顶和底板的压力分布对于避免空蚀空化、振动等不良现象至关重要。以叶巴滩水电站导流隧洞为例,基于物理模型试验、RNG k-ω紊流模型、VOF法建立的三维数值模型模拟了导流隧洞压力分布,通过泄流能力、底板沿程压力等试验数据验证了数值模型的可靠性。结果表明,导流隧洞底板和顶部沿程压力分布均呈下降趋势,但在闸室段、堵头段等水力边界突变处,压力值发生了波动;在转弯段,水流受离心力影响显著,主流区位置和水流压力存在偏离轴线,靠近外边墙的趋势。

叶巴滩水电站  /  导流隧洞  /  压力分布  /  水力边界突变

As a diversion tunnel, the pressure distribution of the tunnel body, the top and the bottom of the tunnel is very important to avoid cavitation, vibration and other undesirable phenomena. Taking the diversion tunnel of Yebatan Hydropower Station as the research object, this paper simulated the pressure distribution of the diversion tunnel based on the physical model test, as well as the three-dimensional numerical model established by the RNG k-ε turbulence model and the VOF method. The reliability of the three-dimensional numerical simulation was verified by the experimental data. The results show that the main flow of the diversion tunnel, the pressure distribution of the tunnel body at the sudden change of hydraulic boundary such as the inlet chamber section, the turning section and the plug section, as well as the variation trend of the bottom and top pressure along the way were analyzed. The research results show that the pressure distribution along the bottom and top of the diversion tunnel shows a downward trend, but at the sudden change of hydraulic boundary such as the sluice chamber section, the plug section and the turning section, the pressure value will show a large fluctuation of rapid increase or decrease.

Yebatan Hydropower Station  /  diversion tunnel  /  pressure distribution  /  hydraulic boundary mutation
周顺文, 蒲云娟, 李登松, 杨柯琛. 叶巴滩水电站导流洞水压力分布研究. 水电能源科学, 2023 , 41 (4) : 139 -142 . DOI: 10.20040/j.cnki.1000-7709.2023.20212801
Shun-wen ZHOU, Yun-juan PU, Deng-song LI, Ke-chen YANG. Pressure Distribution Characteristics of Diversion Tunnel of Yebatan Hydropower Station[J]. Water Resources and Power, 2023 , 41 (4) : 139 -142 . DOI: 10.20040/j.cnki.1000-7709.2023.20212801
  • 四川省自然科学青年基金项目(2022NSFSC1066)
  • 江西省水利厅科技项目(202022YBKT09)
  • 国家自然科学基金青年基金项目(52109096)
2023年第41卷第4期
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文章信息
doi: 10.20040/j.cnki.1000-7709.2023.20212801
  • 接收时间:2021-12-21
  • 首发时间:2026-01-27
  • 出版时间:2023-04-25
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出版历史
  • 收稿日期:2021-12-21
  • 修回日期:2022-07-18
基金
四川省自然科学青年基金项目(2022NSFSC1066)
江西省水利厅科技项目(202022YBKT09)
国家自然科学基金青年基金项目(52109096)
作者信息
    1.中国电建集团成都勘测设计研究院有限公司,四川 成都 610072
    2.成都信息工程大学自动化学院,四川 成都 610225
    3.四川农业大学水利水电学院,四川 雅安 625014

通讯作者:

李登松(1988-),男,博士、讲师,研究方向为灾害水力学、计算流体力学,E-mail:
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
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Genus
种数
Number of
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占总种数比例
Percentage of total
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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